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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /dbaccess/source/core/misc/ContainerMediator.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | dbaccess/source/core/misc/ContainerMediator.cxx | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/dbaccess/source/core/misc/ContainerMediator.cxx b/dbaccess/source/core/misc/ContainerMediator.cxx new file mode 100644 index 000000000..338858c87 --- /dev/null +++ b/dbaccess/source/core/misc/ContainerMediator.cxx @@ -0,0 +1,231 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <ContainerMediator.hxx> +#include <PropertyForward.hxx> + +#include <com/sun/star/beans/PropertyAttribute.hpp> +#include <com/sun/star/container/XNameContainer.hpp> +#include <com/sun/star/sdbcx/XColumnsSupplier.hpp> +#include <com/sun/star/sdbcx/XRename.hpp> +#include <comphelper/property.hxx> +#include <tools/diagnose_ex.h> + +namespace dbaccess +{ + using namespace ::com::sun::star::uno; + using namespace ::com::sun::star::lang; + using namespace ::com::sun::star::sdbcx; + using namespace ::com::sun::star::beans; + using namespace ::com::sun::star::container; + +OContainerMediator::OContainerMediator( const Reference< XContainer >& _xContainer, const Reference< XNameAccess >& _xSettings ) + : m_xSettings( _xSettings ) + , m_xContainer( _xContainer ) +{ + + if ( _xSettings.is() && _xContainer.is() ) + { + osl_atomic_increment(&m_refCount); + try + { + m_xContainer->addContainerListener(this); + Reference< XContainer > xContainer(_xSettings, UNO_QUERY); + if ( xContainer.is() ) + xContainer->addContainerListener(this); + } + catch(Exception&) + { + TOOLS_WARN_EXCEPTION("dbaccess", "OContainerMediator::OContainerMediator"); + } + osl_atomic_decrement( &m_refCount ); + } + else + { + m_xSettings.clear(); + m_xContainer.clear(); + } +} + +OContainerMediator::~OContainerMediator() +{ + acquire(); + impl_cleanup_nothrow(); +} + +void OContainerMediator::impl_cleanup_nothrow() +{ + try + { + Reference< XContainer > xContainer( m_xSettings, UNO_QUERY ); + if ( xContainer.is() ) + xContainer->removeContainerListener( this ); + m_xSettings.clear(); + + xContainer = m_xContainer; + if ( xContainer.is() ) + xContainer->removeContainerListener( this ); + m_xContainer.clear(); + + m_aForwardList.clear(); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("dbaccess"); + } +} + +void SAL_CALL OContainerMediator::elementInserted( const ContainerEvent& _rEvent ) +{ + ::osl::MutexGuard aGuard(m_aMutex); + if ( _rEvent.Source == m_xSettings && m_xSettings.is() ) + { + OUString sElementName; + _rEvent.Accessor >>= sElementName; + PropertyForwardList::const_iterator aFind = m_aForwardList.find(sElementName); + if ( aFind != m_aForwardList.end() ) + { + Reference< XPropertySet> xDest(_rEvent.Element,UNO_QUERY); + aFind->second->setDefinition( xDest ); + } + } +} + +void SAL_CALL OContainerMediator::elementRemoved( const ContainerEvent& _rEvent ) +{ + ::osl::MutexGuard aGuard(m_aMutex); + Reference< XContainer > xContainer = m_xContainer; + if ( !(_rEvent.Source == xContainer && xContainer.is()) ) + return; + + OUString sElementName; + _rEvent.Accessor >>= sElementName; + m_aForwardList.erase(sElementName); + try + { + Reference<XNameContainer> xNameContainer( m_xSettings, UNO_QUERY ); + if ( xNameContainer.is() && m_xSettings->hasByName( sElementName ) ) + xNameContainer->removeByName( sElementName ); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("dbaccess"); + } +} + +void SAL_CALL OContainerMediator::elementReplaced( const ContainerEvent& _rEvent ) +{ + Reference< XContainer > xContainer = m_xContainer; + if ( !(_rEvent.Source == xContainer && xContainer.is()) ) + return; + + OUString sElementName; + _rEvent.ReplacedElement >>= sElementName; + + PropertyForwardList::const_iterator aFind = m_aForwardList.find(sElementName); + if ( aFind == m_aForwardList.end() ) + return; + + OUString sNewName; + _rEvent.Accessor >>= sNewName; + try + { + Reference<XNameContainer> xNameContainer( m_xSettings, UNO_QUERY_THROW ); + if ( xNameContainer.is() && m_xSettings->hasByName( sElementName ) ) + { + Reference<XRename> xSource(m_xSettings->getByName(sElementName),UNO_QUERY_THROW); + xSource->rename(sNewName); + } + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("dbaccess"); + } + + aFind->second->setName(sNewName); +} + +void SAL_CALL OContainerMediator::disposing( const EventObject& /*Source*/ ) +{ + ::osl::MutexGuard aGuard(m_aMutex); + + impl_cleanup_nothrow(); +} + +void OContainerMediator::impl_initSettings_nothrow( const OUString& _rName, const Reference< XPropertySet >& _rxDestination ) +{ + try + { + if ( m_xSettings.is() && m_xSettings->hasByName( _rName ) ) + { + Reference< XPropertySet > xSettings( m_xSettings->getByName( _rName ), UNO_QUERY_THROW ); + ::comphelper::copyProperties( xSettings, _rxDestination ); + } + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("dbaccess"); + } +} + +void OContainerMediator::notifyElementCreated( const OUString& _sName, const Reference< XPropertySet >& _xDest ) +{ + if ( !m_xSettings.is() ) + return; + + PropertyForwardList::const_iterator aFind = m_aForwardList.find( _sName ); + if ( aFind != m_aForwardList.end() + && aFind->second->getDefinition().is() + ) + { + OSL_FAIL( "OContainerMediator::notifyElementCreated: is this really a valid case?" ); + return; + } + + std::vector< OUString > aPropertyList; + try + { + // initially copy from the settings object (if existent) to the newly created object + impl_initSettings_nothrow( _sName, _xDest ); + + // collect the to-be-monitored properties + Reference< XPropertySetInfo > xPSI( _xDest->getPropertySetInfo(), UNO_SET_THROW ); + const Sequence< Property > aProperties( xPSI->getProperties() ); + for ( auto const & property : aProperties ) + { + if ( ( property.Attributes & PropertyAttribute::READONLY ) != 0 ) + continue; + if ( ( property.Attributes & PropertyAttribute::BOUND ) == 0 ) + continue; + + aPropertyList.push_back( property.Name ); + } + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("dbaccess"); + } + + ::rtl::Reference pForward( new OPropertyForward( _xDest, m_xSettings, _sName, aPropertyList ) ); + m_aForwardList[ _sName ] = pForward; +} + +} // namespace dbaccess + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |